#!/bin/bash

# (C) Eric Thibodeau GPL v2

kernel_links()
{
	echo "====================================="
	echo "Correcting kernel and initramfs links"
	echo "====================================="
	cd /boot
	ln -s kernel-* vmlinuz
	ln -s initramfs-* initramfs
	
}

unionfs_prep()
{
	echo "====================================="
	echo "=adding unionfs required dirs========"
	echo "====================================="
	for I in etc var tmp
	do
		mkdir -p /mnt/unionfs/$I
	done
}

set_runlevel()
{
	ln -s /etc/runlevels/default /etc/runlevels/unionfs
}

run_depmod() {
	depmod -a -b /usr/src/linux
}

# We do this often in scripts to config files, change OPTION=something to OPTION=other
# in: 
#	$1: OPTION=other
#	$2: /path/to/file.conf
#	$3: (Optional) assignment token, defaults to =
# out:
#	Changes are made inline

change_opt() {
	SEP=${3:-=}
	KEY=${1#*${SEP}}
	VAL=${1%${SEP}*}
	# Replace old value with the new one ;)
	sed -e"s:${VAL}${SEP}.*:$1:" -i $2
}

openrc_diskless_setup() {
	echo "====================================="
	echo "=Setting up default RC configs======="
	echo "====================================="

	# /etc/rc.conf
	for I in 'rc_parallel="yes"' 'rc_depend_strict="NO"' 'rc_tty_number=2'
	do
		change_opt $I /etc/rc.conf
	done

	# /etc/conf.d/bootmisc
	for I in 'wipe_tmp="NO"'
	do
		change_opt $I /etc/conf.d/bootmisc
	done

	# /etc/conf.d/net
	echo 'dhcpcd_eth0="-p --inform"' >> /etc/conf.d/net

}

setup_services() {
	# Pre-generating sshd keys can be the source of philosophical debates:
    echo "====================================="
    echo "=Pre-generating sshd keys============"
    echo "====================================="
	. /etc/init.d/sshd
	gen_keys	
#	ln -s /etc/runlevels/default /etc/runlevels/unionfs
}

dash_is_sh() {
	echo "====================================="
	echo "=Replacing sh with dash=============="
	echo "====================================="
	rm /bin/sh
	ln -s /bin/dash /bin/sh
}

#kernel_links
dash_is_sh
unionfs_prep
#run_depmod
openrc_diskless_setup
# this one is a hack since catalyst doesn't do it for the moment for some reason
setup_services

# TEMPORARY for testing:
echo "====================================="
echo "=Changing root password=============="
echo "====================================="
echo root:test | chpasswd

exit 0